Founded as Japan Electrical Testing Laboratories of Japan Electric Association, taking over the testing service from national electrical testing laboratories. Designated by the government as an authorized testing body based on the Electrical Appliance and Material Control Law.

Designated by the government of Japan as a Certified Inspection Body (for notified inspections) based on the Industrial Standardization Law.

1987

Yokohama Laboratory was established.

1995

Accredited by Japan Accreditation Board for Conformity Assessment(JAB) as a QMS registration body according to the ISO9000s. -- Quality Management Division

1997

Accredited by JAB as an EMS registration body according to the ISO14001. -- Environment Certification Division. The name was changed to Japan Electrical Safety & Environment Technology Laboratories.

1998

Accredited by the government of Japan as a specified testing service provider based on the Industrial Standardization Law (JNLA Scheme). -- Yokohama Laboratory

1999

Accepted by the IECEE as an NCB (National Certification Body) of Japan based on the IECEE-CB Scheme.

2001

Accredited by the government of Japan as a designated inspection body based on the Electrical Appliance and Material Safety Law.

2003

Accredited by the government of Japan as a designated inspection body based on the Consumer Products Safety Law.

2005

Accredited by the government of Japan as a Third Party Certification body under The Pharmaceutical Affairs Law.

2006

Designated by the government of Japan as a Registered Certification body (under the New JIS Mark scheme) based on the Industrial Standardization Law.

JET's laboratories at TOKYO, YOKOHAMA and KANSAI have been designated as Accredited Testing Laboratories under JNLA (Japan National Laboratory AccreditationSystem), with MRA (Mutual Recognition Arrangement), by NITE (National Institute of Technology and Evaluation) based on the Industrial Standardization Law.